Always Remember to Read Imp. Emails Later: Never Forget to Reply

I have always faced this situation where I want to "take care" of an email later without completely forgetting about it. So I have to set up email reminders or some on a to do app. to remind me to reply,take care to that email. This complexity can be easily avoided if there was a way to postpone (snooze) the email for the next few hours or few days.
Tip : 100 Amazing Gmail Hacks, Tricks for Email Productivity

"Snooze Your Email" – Reminds You to Reply to Important Emails Later

Too many emails and can’t reply now? Snooze them for as long as you want and get a reminder later or have them reappear in your inbox as unread!
# Install Snooze Your Email : Link (for chrome)
Instead of marking your emails as unread and forgetting about them later because your busy, just click on your email, read it, then you can decide to click the Snooze button for a couple hours or days and you’ll get either a desktop reminder for that email when you’re ready or have the email automatically marked as unread later depending on your options. For Gmail users only.

Click ‘Snooze’ after opening the email or from the inbox by selecting an email using the check box.

You will get desktop tray notification reminders about the email your snoozed earlier, If its set to "Tomorrow" then, once you open your chrome browser next day you will get the notification about that email. [Image Credits]

Note: This chrome browser extension requires elevated permissions to mark your emails as unread in Gmail and works with Gmail only till now.
This is a great plugin for chrome and its made by the developer who made the chrome extension which

Lock Wallpaper: Prevent Desktop Wallpaper Change in Windows 7 PC

Posted: 02 Feb 2011 08:17 AM PST

Want to prevent someone from changing desktop wallpaper ? Follow these steps which are very useful to customize windows 7 interface settings like locking desktop wallpaper so your friends, employees etc can’t change the desktop background, wallpaper without your permission.

Prevent Someone From Changing Your PC’s Desktop Wallpaper

Step 1 : Go to Start > Run or press   + R and type in gpedit.msc (This file is located at C:\Windows\System32\gpedit.msc)

This will open the Local Group Policy Editor in Windows 7.
Step 2 : From the left panel, click on to expand User Configuration > Administrative Templates > Control Panel > Personalization

Step 3 : Right click on Prevent changing desktop background and click Edit.
Step 4 : On this window (see below) select Enabled to To Prevent Changing Desktop Background.

Click OK and restart PC to make it work fully. To disable this feature follow the same steps and select "Disabled" in Step 4.
Now the Desktop Wallpaper Change option will be greyed out to prevent any further wallpaper change.

Note : It will also disallow users from right clicking on Images and setting them as Desktop Background from context menu. The wallpaper won’t be changed.
There are similar settings for screensaver, power scheme etc.